<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>ajax 演示</title>
</head>
<body>
  <p>一段文字 1</p>
  <script src="./ajax.js"></script>
  <script>
    window.abc = function(data) {
      console.log(data)
    }
  </script>
  <!-- <script src="http://localhost:5500/js-web-api/data/jsonp.js?username=xxx&callBack=abc"></script> -->
</body>
</html>